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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Reduced-Shank High-Speed Steel Drill Bits
High-Speed Steel Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 27/32" | 0.8438" | 10 3/4" | 4.85" | Morse Taper | Morse 3 | Standard | 2929A422 | 0000000 | ||
Carbide-Tipped Drill Bits for Masonry and Concrete
SDS-Plus Shank for Hammer and Rotary Drilling
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SDS-Plus Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||
Standard Point | ||||||||
| 27/32" | 0.8438" | 8 3/4" | 6" | ANSI B212.15 | 8948A44 | 000000 | ||
Reduced-Shank Carbide-Tipped Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Uncoated | ||||||||||
| 27/32" | 0.8438" | 6" | 2.1" | Reduced Round | 1/2" | Standard | 8871A23 | 0000000 | ||
Reduced-Shank Cobalt Steel Drill Bits
Tight-Tolerance Water-Hardening W1 Tool Steel Rods
Dia. | Dia. Tolerance | Drill Bit Size | Fabrication | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1 ft. Long | 3 ft. Long | 6 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.8438" | -0.001" to 0.001" | 27/32" | Hot Rolled | Annealed | 50,000 | Precision Ground | Rockwell B95 (Medium) | Rockwell C65 | ASTM A686 | 8890K25 | 000000 | 000000 | 000000 |



























